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https://www.readbyqxmd.com/read/29905599/when-the-injury-s-healing-process-meets-the-needs-of-a-top-level-volleyball-player-a-non-conventional-treatment-of-a-mallet-fracture-re-injury
#1
Daniele Checcarelli, Mauro Zampolini, Michele Berloco, Claudia Fusco, Levent Özçakar
Managing top-level athlete's recovery after an injury is very complicated because it requires a challenging combination of clinical and social/professional aspects with the need to return as soon as possible to sports play. Herein, we report a top-level volleyball player for whom a finger splint combined with a custom made thermoplastic protection was used for the conservative management of a Mallet fracture re-injury. This way our player continued training and competitions in contrast to conventional rehabilitation protocols which suggest to avoid new traumas until the healing phase is completed...
June 13, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29904825/the-effect-of-residency-training-on-arthroscopic-knot-tying-and-knot-stability-which-knot-is-best-tied-by-orthopaedic-surgery-residents
#2
Kevin J Cronin, Jacob L Cox, Timothy M Hoggard, Scott T Marberry, Brandon G Santoni, Charles C Nofsinger
BACKGROUND: The aim of this study is to evaluate which of three arthroscopic knots are most reliably taught to and executed by residents at varying levels of training. METHODS: Three arthroscopic knots, the Samsung Medical Center (SMC), the Weston, and the surgeon's knot, were taught to 16 orthopaedic surgery residents. Each knot was tied in triplicate at two sessions 1 week apart. The knots were then biomechanically tested for strength. Corresponding knots tied by a sports medicine fellow served as the respective controls...
June 15, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29904351/heart-rate-monitoring-in-team-sports-a-conceptual-framework-for-contextualizing-heart-rate-measures-for-training-and-recovery-prescription
#3
Christoph Schneider, Florian Hanakam, Thimo Wiewelhove, Alexander Döweling, Michael Kellmann, Tim Meyer, Mark Pfeiffer, Alexander Ferrauti
A comprehensive monitoring of fitness, fatigue, and performance is crucial for understanding an athlete's individual responses to training to optimize the scheduling of training and recovery strategies. Resting and exercise-related heart rate measures have received growing interest in recent decades and are considered potentially useful within multivariate response monitoring, as they provide non-invasive and time-efficient insights into the status of the autonomic nervous system (ANS) and aerobic fitness. In team sports, the practical implementation of athlete monitoring systems poses a particular challenge due to the complex and multidimensional structure of game demands and player and team performance, as well as logistic reasons, such as the typically large number of players and busy training and competition schedules...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29904024/accuracy-of-a-basketball-indoor-tracking-system-based-on-standard-bluetooth-low-energy-channels-nbn23-%C3%A2
#4
Bruno Figueira, Bruno Gonçalves, Hugo Folgado, Nerijus Masiulis, Julio Calleja-González, Jaime Sampaio
The present study aims to identify the accuracy of the NBN23&reg; system, an indoor tracking system based on radio-frequency and standard Bluetooth Low Energy channels. Twelve capture tags were attached to a custom cart with fixed distances of 0.5, 1.0, 1.5, and 1.8 m. The cart was pushed along a predetermined course following the lines of a standard dimensions Basketball court. The course was performed at low speed (<10.0 km/h), medium speed (>10.0 km/h and <20.0 km/h) and high speed (>20.0 km/h)...
June 14, 2018: Sensors
https://www.readbyqxmd.com/read/29903381/fundamentals-of-sports-analytics
#5
REVIEW
Erin B Wasserman, Mackenzie M Herzog, Christy L Collins, Sarah N Morris, Stephen W Marshall
Recently, the importance of statistics and analytics in sports has increased. This review describes measures of sports injury and fundamentals of sports injury research with a brief overview of some of the emerging measures of sports performance. We describe research study designs that can be used to identify risk factors for injury, injury surveillance programs, and common measures of injury risk and association. Finally, we describe measures of physical performance and training and considerations for using these measures...
July 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29899711/unchanged-erythrocyte-profile-after-exposure-to-cryogenic-temperatures-in-elder-marathon-runners
#6
Jadwiga Szymura, Magdalena Wiecek, Marcin Maciejczyk, Joanna Gradek, Malgorzata Kantorowicz, Zbigniew Szygula
Objective: Endurance runners may experience "sports anemia" resulting from intravascular hemolysis. In addition, aging has negative impact on hematopoiesis and rheological properties of blood, and erythrocyte membranes in older people are more vulnerable to oxidative damage, which together can lead to anemia. Whole-body cryostimulation (WBCST) is increasingly used in the elderly as a method of biological regeneration of athletes or therapy and preventive treatment. That is why the aim of the study was to determine whether repeated WBCST had an effect on the erythrocyte system in master marathon runners, compared to non-training men...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29899703/anthropometry-body-composition-and-performance-in-sport-specific-field-test-in-female-wheelchair-basketball-players
#7
Valentina Cavedon, Carlo Zancanaro, Chiara Milanese
Data on the physical and performance characteristics of female wheelchair basketball (WB) players are scarce. In several countries female WB players train and compete with male players on mixed teams due to the limited total population of players, which would otherwise lead to large territorial spread for each team. Any differences in terms of physical characteristics and/or WB skill proficiency between male and female WB players would be relevant to team performance in mixed teams. This work examined anthropometry, body composition, and performance in a set of sport-specific field tests in a sample of 13 female WB players representing about 40% of the eligible population in Italy across a range of functional point scores (Point)...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29898738/serum-concentration-of-cobalt-molybdenum-and-zinc-in-aerobic-anaerobic-and-aerobic-anaerobic-sportsmen
#8
Marcos Maynar, Francisco Llerena, Francisco Javier Grijota, Mario Pérez-Quintero, Ignacio Bartolomé, Javier Alves, María Concepción Robles, Diego Muñoz
BACKGROUND: The aim of the present study was to determine changes in the serum concentrations of trace elements Cobalt (Co), Molybdenum (Mo) and Zinc (Zn) among high-level sportsmen. METHODS: Eighty professional athletes of different metabolic modalities (aerobic, anaerobic and aerobic-anaerobic), were recruited before the beginning of their training seasons. Thirty-one sedentary participants of the same geographic area constituted the control group. Co, Mo and Zn analysis was performed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)...
June 13, 2018: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/29895234/progression-in-running-intensity-or-running-volume-and-the-development-of-specific-injuries-in-recreational-runners-run-clever-a-randomized-trial-using-competing-risks
#9
Daniel Ramskov, Sten Rasmussen, Henrik Sørensen, Erik Thorlund Parner, Martin Lind, Rasmus Nielsen
Study Design Randomized clinical trial, etiology. Background Training intensity and volume have been proposed to be associated with specific running-related injuries. If such an association exists, secondary preventive measures could be initiated by clinicians based on symptoms of a specific injury diagnosis. Objectives To test the following hypotheses: (i) A running schedule focusing on intensity will increase the risk of sustaining Achilles tendinopathy, gastrocnemius injuries and plantar fasciitis compared with hypothesized volume-related injuries...
June 12, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29895233/psychological-and-functional-readiness-for-sport-following-advanced-group-training-in-patients-with-anterior-cruciate-ligament-reconstruction
#10
Adam Meierbachtol, William Yungtum, Eric Paur, John Bottoms, Terese L Chmielewski
Study Design Retrospective cohort study. Background Decreased psychological readiness for sport contributes to poor return to sport rates after anterior cruciate ligament reconstruction (ACLR). Advanced ACLR rehabilitation is used to improve functional readiness for sport, but the effect on psychological readiness is unknown. Objective To examine changes in psychological and functional measures, and readiness for sport based on these measures, in patients with ACLR following advanced group training. Methods Patients with primary ACLR enrolled in a 5-week group training program after completing traditional physical therapy...
June 12, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29894642/acute-modulation-in-dietary-behavior-following-glycogen-depletion-and-post-exercise-supplementation-in-trained-cyclists
#11
Hsuan-Yu Wan, Jonathon L Stickford, Emily Dawkins, Alice K Lindeman, Joel M Stager
We investigated the influence of immediate post-exercise dietary supplementation on the subsequent food consumption pattern and endurance exercise performance in physically trained individuals. On two occasions, trained male cyclists performed a glycogen-depleting exercise bout followed by a 2-hour nutritional supplementation period, 28 hours of free-living recovery, and a subsequent 40-km cycling time trial. During the 2-hour post-exercise supplementation, subjects consumed equal volumes of reduced-fat chocolate milk (CM) or a sports beverage (SB) in a single-blind, randomized design...
June 12, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29893589/sport-field-properties-influence-muscle-recruitment-patterns-and-metabolic-response
#12
Michael E Hales, John D Johnson
PURPOSE: The study investigated different sport field properties influence on muscular recruitment patterns and metabolic response during a series of running and agility drills. METHODS: Eleven male athletes were fitted with a standard multi-purpose training shoe. The test protocol consisting of four high-intensity trials with 60 seconds rest between trials performed on two fields with different properties. Time-dependent field properties were recorded using ASTM protocol (F-1936)...
June 12, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29892511/effect-of-acute-augmented-feedback-on-between-limb-asymmetries-and-eccentric-knee-flexor-strength-during-the-nordic-hamstring-exercise
#13
Wade J Chalker, Anthony J Shield, David A Opar, Evelyne N Rathbone, Justin W L Keogh
Background: Hamstring strain injuries (HSI) are one of the most prevalent and serious injuries affecting athletes, particularly those in team ball sports or track and field. Recent evidence demonstrates that eccentric knee flexor weakness and between limb asymmetries are possible risk factors for HSIs. While eccentric hamstring resistance training, e.g. the Nordic hamstring exercise (NHE) significantly increases eccentric hamstring strength and reduces HSI risk, little research has examined whether between limb asymmetries can be reduced with training...
2018: PeerJ
https://www.readbyqxmd.com/read/29891614/the-adductor-strengthening-programme-prevents-groin-problems-among-male-football-players-a-cluster-randomised-controlled-trial
#14
Joar Harøy, Benjamin Clarsen, Espen Guldahl Wiger, Mari Glomnes Øyen, Andreas Serner, Kristian Thorborg, Per Hölmich, Thor Einar Andersen, Roald Bahr
BACKGROUND: Groin injuries represent a considerable problem in male football. Previous groin-specific prevention programmes have not shown a significant reduction in groin injury rates. An exercise programme using the Copenhagen Adduction exercise increases hip adduction strength, a key risk factor for groin injuries. However, its preventive effect is yet to be tested. AIM: To evaluate the effect of a single-exercise approach, based on the Copenhagen Adduction exercise, on the prevalence of groin problems in male football players...
June 10, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29889151/energy-availability-macronutrient-intake-and-nutritional-supplementation-for-improving-exercise-performance-in-endurance-athletes
#15
Gretchen A Casazza, Ashley P Tovar, Christine E Richardson, Angela N Cortez, Brian A Davis
Endurance athletes use nutritional guidelines and supplements to improve exercise performance and recovery. However, use is not always based on scientific evidence of improved performance, which type of athlete would benefit most, or the optimal dose and timing of a particular supplement. Health professionals that give advice to athletes need to target their recommendations on the energy systems and muscle fiber types used for the athlete's sporting event, the goal of the training block, the time of the competitive season, and the characteristics and food preferences of the individual athlete...
June 2018: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29889060/effects-of-biofeedback-postural-training-on-pre-existing-low-back-pain-in-static-posture-workers
#16
Sehun Park, Tona Hetzler, Dave Hammons, Gary Ward
BACKGROUND: Many studies report a relationship between poor static posture (SP) and low back pain (LBP). This study examined the effects of a biofeedback postural training program on pre-existing LBP, changes to level of physical activity and workability in participants. OBJECTIVE: To determine if static posture training with biofeedback alleviates LBP. METHODS: The control group wore a pedometer to track level of physical activity and the experimental group wore the postural training device, Lumo Lift, for three weeks...
May 27, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29888638/strength-and-conditioning-in-adolescent-female-athletes
#17
Corinne Sommi, Frances Gill, Jeffrey D Trojan, Mary K Mulcahey
OBJECTIVES: Despite evidence that strength and conditioning (S&C) programs decrease injury risk and increase sport performance, young females are rarely offered S&C programs comparable to those of their male counterparts. The purpose of this study was to evaluate the current body of available literature regarding S&C in adolescent female athletes, describe potential benefits, and generate recommendations for S&C programs for female adolescent athletes. METHODS: The systematic review was performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
June 9, 2018: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29888250/health-effects-of-12-weeks-of-team-sport-training-and-fitness-training-in-a-community-health-centre-for-sedentary-men-with-lifestyle-diseases
#18
T K Møller, T-T Nielsen, R Andersen, I Lundager, H F Hansen, L Ottesen, P Krustrup, M B Randers
This study compares the effects of team-sport training, for sedentary men with lifestyle diseases, with fitness training in a pragmatic set-up in a community health centre (CHC). Thirty-two men in the fitness group (FiG) and 36 men in the team-sport group (TsG) completed the training and trained for 60-90 min, two times/week for 12-16 weeks. In FiG and TsG, mean heart rate (HR) during training was 73.2% and 74.5% of HRmax , respectively. Percentage of training time above 90%HRmax was 6 ± 9% and 10 ± 15% and the percentage of participants who spent > 10% of total training time with HR > 90%HRmax was 20% and 41%, in FiG and TsG, respectively...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29886418/ventricular-arrhythmias-in-young-competitive-athletes-prevalence-determinants-and-underlying-substrate
#19
Alessandro Zorzi, Manuel De Lazzari, Giulio Mastella, Alice Niero, Domenico Trovato, Alberto Cipriani, Francesco Peruzza, Leonardo Portolan, Giampaolo Berton, Federco Sciacca, Saverio Tollot, Chiara Palermo, Roberto Bellu, Flavio D'ascenzi, Denisa Muraru, Luigi Paolo Badano, Sabino Iliceto, Maurizio Schiavon, Martina Perazzolo Marra, Domenico Corrado
BACKGROUND: Whether ventricular arrhythmias (VAs) represent a feature of the adaptive changes of the athlete's heart remains elusive. We aimed to assess the prevalence, determinants, and underlying substrates of VAs in young competitive athletes. METHOD AND RESULTS: We studied 288 competitive athletes (age range, 16-35 years; median age, 21 years) and 144 sedentary individuals matched for age and sex who underwent 12-lead 24-hour ambulatory electrocardiographic monitoring...
June 9, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29879146/bioelectrical-impedance-vector-analysis-biva-in-sport-and-exercise-systematic-review-and-future-perspectives
#20
Jorge Castizo-Olier, Alfredo Irurtia, Monèm Jemni, Marta Carrasco-Marginet, Raúl Fernández-García, Ferran A Rodríguez
BACKGROUND: Bioelectrical impedance vector analysis (BIVA) is a general concept that includes all methodologies used in the analysis of the bioelectrical vector, whereas the "classic" BIVA is a patented methodology included among these methods of analysis. Once this was clarified, the systematic review of the literature provides a deeper insight into the scope and range of application of BIVA in sport and exercise. OBJECTIVE: The main goal of this work was to systematically review the sources on the applications of BIVA in sport and exercise and to examine its usefulness and suitability as a technique for the evaluation of body composition, hydration status, and other physiological and clinical relevant characteristics, ultimately to trace future perspectives in this growing area, including a proposal for a research agenda...
2018: PloS One
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